C21231322221311331311211312111133132313223313331322331311331333133313231111311   >>    C2123132222131133131121131211113313231322331333132233131133133313331323111131   <<    C21231322221311331311211312111133132313223313331322331311331333133313231111313   >>      C21231322221311331311211312111133132313223313331322331311331333133313231111312   >>